BB386EVO press fit bottom bracket shell (46 mm bore, 86.5 mm)
What a BB386EVO press fit shell measures, which crank spindles it hosts, and the bottom bracket to buy.
Published dimensions
| Type | press fit |
|---|---|
| Shell inside diameter | 46 mm smooth press-fit bore |
| Shell width | 86.5 mm |
| Thread | none, cups press into the 46 mm bore |
| Crank spindles it hosts | designed around a 30 mm spindle in an 86.5 mm shell; 24 mm and 28.99 mm cranks need a reducer BB |
SHELL 86.5 mm
SPINDLE designed around a 30 mm spindle in an 86.5 mm shell; 24 mm and 28.99 mm cranks need a reducer BB
SPINDLE designed around a 30 mm spindle in an 86.5 mm shell; 24 mm and 28.99 mm cranks need a reducer BB
Used on: road and gravel frames wanting a 30 mm spindle in a wide press-fit shell.
BB386EVO combines the PF30 46 mm bore with the wide 86.5 mm BB86 shell, so it takes a long 30 mm spindle. It is not the same as BB86: the bore is 46 mm, not 41 mm.
Fit a crank to this shell
30 mm spindle (BB30 / PF30 style) in a BB386EVO press fit shelldrops inShimano Hollowtech II (24 mm) in a BB386EVO press fit shellneeds a reducerPF30 press fitrelated shell (46 mm bore press fit)BB30 press fitrelated shell (42 mm bore press fit)BBRight press fitrelated shell (46 mm bore, 79 mm)Specialized OSBBrelated shell (42 or 46 mm bore)
SOURCES: Wheels Manufacturing, BB Overall Width Reference Chart · Park Tool, Bottom Bracket Standards and Terminology